Home / 197,718.84-272,852.25-107,074.95

Finding the Fourth Proportional to 197,718.84, 272,852.25 and 107,074.95

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Solution

The fourth proportional to 197,718.84, 272,852.25 and 107,074.95 is: 147,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,718.84 : 272,852.25 = 107,074.95 : x
  2. Step 2: Convert to fraction form
    197,718.84/272,852.25 = 107,074.95/x
  3. Step 3: Cross multiply
    197,718.84x = 272,852.25 × 107,074.95
  4. Step 4: Simplify right side
    197,718.84x = 29,215,641,026.14
  5. Step 5: Solve for x
    x = 29,215,641,026.14/197,718.84
  6. Step 6: Final answer
    x = 147,763.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.